Most gardeners and gardeners who grow berries face the need to process currant bushes with special compounds. The result of proper autumn processing is a halving of the risk of damage to the plant by pests that can hibernate on the bushes, as well as an increase in yield for the next season by an average of a quarter.
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The purpose of processing currants in the fall
There are several common problems, the prevention of which is the autumn treatment of the plant:
- the appearance of powdery mildew;
- anthracnose disease;
- septoria disease;
- rust damage to plants;
- striped mosaic disease;
- the appearance of gray rot on the bushes;
- reproduction of kidney and spider mites;
- damage to the plant by moth butterflies;
- attack of currant by sawfly beetles;
- the invasion of leaf rollers;
- defeat of aphids.
When is the best time to process
After harvesting the last crop of currants around the end of September - early October, the bush is cut for the winter, and the ideal time for processing comes. At this moment, you can capture the maximum area of the root zone and branches. To prevent the rain from washing away the product, the treatment should be carried out in dry weather. The time and method of processing depends on two main factors: the climatic conditions in the region and the specific type of currant bush.
The prevention of diseases of red and black currants will have significant differences. In addition, processing agents should be divided into chemical and folk remedies.
Methods for chemical treatment of currants
Insecticides are the most effective chemicals for controlling insect pests. Their action is to block enzymes and negatively affect the nervous system of parasites.
The most popular insecticides for autumn treatment are:
- "Tanarek" - will rid the currant bush from aphids;
- "Spark double effect" - except for aphids, it will help to cope with moths and sawflies;
- "Karate Zeon" - effective against aphids and ticks;
- "Confidor" - will rid the currant bushes from aphids.
Insecticides cannot be mixed with each other.
Fungicides
Another category of chemicals, fungicides, is effective against fungal diseases. There are several varieties of them.
Burgundy liquid solution
Effective against powdery mildew, anthracnose disease, rust. In order not to damage the foliage, you must strictly adhere to the proportions indicated in the instructions.
Bordeaux liquid
A solution of 450 g of quicklime, 5.5 liters of water and 100 g of copper sulfate. Emergency agent against rust and powdery mildew.
Copper sulfate
In a ratio of 50-100 g per 10 liters of water, it is effective against anthracnose and septoria. It is used in cool weather, at temperatures no higher than +5 degrees. It is advisable to carry out the treatment after the leaves have fallen, since copper sulfate can dry them out or leave a slight burn.
Urea (urea)
In addition to preventing the plant from damaging fungi and the invasion of parasites, carbamide saturates the soil with nitrogen, helping to increase yields in the coming season. 10 g of urea are dissolved in 1-2 liters of water, and then the concentrate is brought to 10 liters. The resulting liquid should be watered one currant bush.
Traditional methods of processing currants
The following tinctures and decoctions can be used as folk methods:
- tinctures of onion, garlic or tobacco. Effective against aphids. Prepared at the rate of 10 g of crushed plants per 10 liters of hot water. Insist 4 days. Strain. Spray the currant bush;
- decoction of wood ash. Effective against powdery mildew. In 10 liters, boil 0.4 kg of ash. Insist for a day;
- tincture of celandine. Effective against fire butterflies and aphids. To prepare for two days, either 3 kg of a plant or 1 kg of dry grass should be infused with 10 liters of water.
Do you know how to protect currants from the invasion of insects and parasites?
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